UK Manufacturers

Analogue Solutions:
http://www.users.globalnet.co.uk/~concuss/

Analogue Systems:
http://www.analoguesystems.co.uk/

Bugbrand:
http://www.bugbrand.co.uk/

Future Sound Systems:
http://www.futuresoundsystems.co.nr/

Hinton Instruments:
http://www.hinton-instruments.co.uk/

MacBeth Studio Systems:
http://www.macbethstudiosystems.com/

Oakley:
http://www.krisp1.com/3u/3u.htm